Ciris v0.8.0

This release arrives with a much rewritten and expanded usage guide. (#116)
Some of the notable changes to the usage guide include the following.

• Most references to types and functions are now hyperlinked to the API documentation.
• Usage Basics includes guidance on when configuration files are appropriate, and when configuration as code is a better fit. Working with configuration values is covered in more detail, and there is a section on suspending effects.
• Encoding Validation covers refined types in greater depth, including useable configurations and external libraries.
• Multiple Environments better explains when to use withValues (and withValue) and how to deal with different values, and different configuration loading, across environments, while eliminating duplicated configuration values.
• Logging Configurations shows how to use Secret for avoiding logging secret configuration values. There is also a section on how to use Show from cats together with kittens, for improved configuration logging over toString.
• Configuration sources and source transformations are covered in more detail, including current supported sources.
• There is a new section on how to support new sources, including a detailed example of supporting property files.
• Configuration decoders are covered in more detail, including current supported types and supporting new types.
• The modules overview has been split into separate pages.

Changes

• Add orNone function on ConfigValue for optional fallback values. (#107)
  The updated usage guide provides more details on configuration values.

  env[ApiKey]("API_KEY")
    .orElse(prop[ApiKey]("api.key"))
    .orNone

• Add cats-effect suspendMemoizeF syntax for ConfigSource. (#110)
  The usage guide has more information on source transformations.
• Add ConfigDecoder[String, scala.util.matching.Regex]. (#111)
  The usage guide provides a list of all the current supported types.
• Fix BigDecimal decoding using fixed precision on Scala 2.10. (#111)
• Add support for decoding yes/no and on/off Boolean values. (#111)
  The usage guide provides a list of all the current supported types.
• Remove unnecessary Show[Id[A]] derivation causing ambiguous implicits. (#112)
  The usage guide explains how Show can be used for logging configurations.
• Improve the error message for combined configuration errors. (#106)
• Try scripts no longer shadow other libraries' namespaces. (#114)

Updates

• Update ammonite to 1.0.5. (#115)
• Update cats-effect to 0.9. (#109)
• Update spire to 0.15.0. (#108)

Released on 2018-03-11.